1 Department of Anesthesia and Critical Care,Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain.
2 Department of Anesthesia and Critical Care,Hospital Clínic Barcelona, Universitat de Barcelona, Barcelona, Spain. Electronic address: gimimarc@gmail.com.
3 Department of Cardiovascular Surgery and Transplantation, Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain.
4 Department of Anesthesia,Royal Columbian Hospital, New Westminster, British Columbia, Canada.
5 Department of Cardiac Surgery, Royal Columbian Hospital, New Westminster, British Columbia, Canada.
6 Heart & Lung Institute, Bayamon Medical Center, Bayamon, Puerto Rico.
7 Department of Anesthesiology, The Mount Sinai Medical Center, One Gustave L. Levy Place, New York, NY.